38 # This create and ordering used for branchmap purpose.

    38 # This create and ordering used for branchmap purpose.

    39 # the ordering may be partial

    39 # the ordering may be partial

    40 subsettable = {None: 'visible',

    40 subsettable = {None: 'visible',

    41                'visible-hidden': 'visible',

    41                'visible-hidden': 'visible',

    42                'visible': 'served',

    42                'visible': 'served',

    43                'served': 'immutable',

    44                'served': 'immutable',

    44                'immutable': 'base'}

    45                'immutable': 'base'}

    45 

    46 

    46 

    47 

    47 class BranchMapCache(object):

    48 class BranchMapCache(object):